Fluid flow tube



FIG. 1 depicts a front perspective view of fluid flow tube;

FIG. 2 depicts a top view of the fluid flow tube;

FIG. 3 depicts a left side view of the fluid flow tube;

FIG. 4 depicts a right side view of the fluid flow tube;

FIG. 5 depicts a rear end view of the fluid flow tube;

FIG. 6 depicts a front end view of the fluid flow tube; and,

FIG. 7 depicts a bottom view of the fluid flow tube.

The dashed broken lines shown in the drawings depict portions of the article and environment that form no part of the claim. 

CLAIM The ornamental design for a fluid flow tube, as shown. 